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Program Chart - Twelve Drummers

Submitted by GordonG on Thu, 17/03/2011 - 18:03.
It was now ready for powering up to enable programming of the PLC to begin (picture 9).

Alongside the building of the unit, it had also been necessary to think about and prepare a programming sequence chart of the intended sequence of animation in readiness to program the PLC. The proposed sequence of actions had been “mulled over” for some time and bit by bit developed into the chart shown (picture 10).

The left hand side covers the “12 Drummers” sequence and the right hand side the “MERRY XMAS” letters. Towards the end, the two sides combine into one integrated sequence.

The PLC program was then built up (loaded) from scratch using a PC connected to the PLC and running a software editing package that “talks” to the PLC over a serial comms link.

Picture 10 – Program Sequence Chart
Picture 10 – Program Sequence Chart
‹ Final Fitting - Twelve DrummersupProgramming the PLC - Twelve Drummers ›

Contributions by GordonG

TitleUpdatedType
Installing Onsite - Twelve Drummers 15 years 4 weeks agoBook page
Final Fitting - Twelve Drummers 15 years 4 weeks agoBook page
Wiring the Components - Twelve Drummers 15 years 4 weeks agoBook page
Backplate Assembly - Twelve Drummers 15 years 4 weeks agoBook page
Sourcing the Equipment - Twelve Drummers 15 years 4 weeks agoBook page
Unit Design - Twelve Drummers 15 years 4 weeks agoBook page
Design & Equipment - Twelve Drummers 15 years 4 weeks agoBook page
First Impressions - Twelve Drummers 15 years 4 weeks agoBook page
The Call to Arms! - Twelve Drummers 15 years 4 weeks agoBook page
Program Chart - Twelve Drummers 15 years 4 weeks agoBook page
Bringing the Display to Life - Twelve Drummers 15 years 4 weeks agoBook page
Programming the PLC - Twelve Drummers 15 years 4 weeks agoBook page

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